Single hook



FIG. 1 is a perspective view of a single hook showing our design;

FIG. 2 is a front elevational view;

FIG. 3 is a rear elevational view;

FIG. 4 is a side elevational view;

FIG. 5 is a top perspective view; and,

FIG. 6 is a bottom perspective view.

The broken lines depict portions of the single hook that form no part ofthe claim.

CLAIM The ornamental design for a single hook, as shown and described.